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CMC Triggers
Overview
The CMC Triggers AR-15 Buffer Tube Assembly is a Mil-Spec carbine buffer tube designed to provide reliable performance and compatibility with a wide variety of components. Constructed from aluminum with a nitride finish, this assembly delivers durability and a solid fit within your lower receiver. This buffer tube is commonly found in builds featuring a mid-length gas system and chambered for 5.56 NATO, making it a versatile choice for various applications.
Prices checked
CMC Triggers AR-15 Buffer Tube Assembly Carbine Mil-Spec 6-Position was the seventh most added buffer tube on GunPartPicker in September 2026, behind the Bravo Company Manufacturing MK2 Receiver Extension, with about 3% of all buffer tubes added to builds. Down from #6 in August. Builds with this buffer tube are split between 5.56 NATO (59%) and 300 Blackout (12%), split between mid-length (54%) and carbine-length (26%) gas systems, and mostly AR-15 (89%).
It was in stock most days in September 2026, and today 7 of the 9 retailers we track have it in stock. Prices barely moved in September 2026, holding around $49.99, so there haven't been real sales lately. Buying today, the lowest price is $61.30 at KY Gun Company, above September's low of $49.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every buffer tube by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Buffer Tube Guide →Check it against the live catalog:
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Cmc Triggers Ar-15 Buffer Tube Assembly Carbine Mil-Spec 6-Position
| Build | Parts | Total |
|---|---|---|
 | 22 | $1397.38 |
 | 18 | $1228.54 |
 | 22 | $2423.29 |
 | 17 | $748.24 |
 | 20 | $1089.97 |
| 22 | $1245.54 |
 | 25 | $2852.92 |
 | 31 | $3448.16 |
 | 18 | $1640.67 |
 | 16 | $923.00 |
1 global rating
Top reviews
CMC Triggers carbine 6-position buffer tube has correct milspec dimensions and threads to a standard castle nut. Cheek weld is comfortable. QD socket integrated. Six positions click positively. Solid budget buffer tube.
